How cellphone signal blocker Works
Cell phones are 2-way radios which
communicate through cell towers. A cell phone signal jammer work by sending
strong signals over the same frequencies used by mobile units to effectively
disrupt the communication between the device and the cell tower. The result is
an unworking mobile unit displaying "no network".
communicate through cell towers. A cell phone signal jammer work by sending
strong signals over the same frequencies used by mobile units to effectively
disrupt the communication between the device and the cell tower. The result is
an unworking mobile unit displaying "no network".
Cellular Jammers Physical Description
It comes in different sizes and shapes.
Some are pocket size, some are much bigger. Some are disguised as regular cell
phones, or brief cases.
Some are pocket size, some are much bigger. Some are disguised as regular cell
phones, or brief cases.
Considerations Before Buying a cell phonesignal blocker:
•What is the Effective
jamming range (10-50+ meters)
jamming range (10-50+ meters)
•Which Cellular systems it
can block(cdma for north america ,gsm for europe & asia, tdma,4G, 3G
amps,pcs,dcs or All?)
can block(cdma for north america ,gsm for europe & asia, tdma,4G, 3G
amps,pcs,dcs or All?)
•How many cellular
systems(cdma etc..) it can block at the same time(low end models only block 1
type at once while more sophisticated ones will block several systems at once)
www.jammerbuy.com/
systems(cdma etc..) it can block at the same time(low end models only block 1
type at once while more sophisticated ones will block several systems at once)
www.jammerbuy.com/
•Appearance:regular unit
or disguised as another type of device ?
or disguised as another type of device ?
•Size & weight
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